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Updated: Jan 29, 2026

Burn Injury-Induced Pain and Depression-Like Behavior in Mice
Published on: September 29, 2021
The effect and mechanism of atrazine induced depression-like in mice
1School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Human Genetics and Environmental Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Key Laboratory of Environment and Health, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China.
Abstract:
Depression is a prevalent mental disorder in modern society, with a complex and incompletely understood etiology. Accumulating evidence indicates that pesticide exposure is a potential risk factor for mental health disorders. Atrazine (ATR), a widely used herbicide with the highest global application rates and frequently detected in environmental media, has been confirmed to possess neurotoxicity. However, there are currently no reports examining its effects on depression. Therefore, this study aimed to investigate the effects of subchronic ATR exposure on depression-like phenotypes in mice through behavioral tests, pathological examinations, and molecular analyses. The results demonstrated that ATR exposure induced significant depressive-like behaviors and led to neuronal reductions in key brain regions associated with depression, such as the hippocampus and prefrontal cortex. These effects were mechanistically linked to oxidative damage and decreased expression levels of 5-hydroxytryptamine (5-HT) and brain-derived neurotrophic factor (BDNF). Collectively, this study not only reveals the potential role and mechanism of ATR as an environmental risk factor for depression, but also provides a theoretical basis for the prevention and treatment of its new neurotoxicological effects and future related research.
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